# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils gnuconfig gcc flag-o-matic versionator

SVER=$(get_version_component_range 1-2)
PLV=""
NEWP="${PN}-${SVER}.$( get_version_component_range 3-3 )${PLV}"

# shorten the path because the socket path length must be shorter than 107 chars
# and we will run a mysql server during test phase
S="${WORKDIR}/${PN}"

DESCRIPTION="A fast, multi-threaded, multi-user SQL database server"
HOMEPAGE="http://www.mysql.com/"
SRC_URI="mirror://mysql/Downloads/MySQL-${SVER}/${NEWP}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="debug ssl tcpd"
RESTRICT="nomirror"

DEPEND="readline? ( >=sys-libs/readline-4.1 )
	tcpd? ( >=sys-apps/tcp-wrappers-7.6-r6 )
	ssl? ( >=dev-libs/openssl-0.9.6d )
	>=sys-libs/zlib-1.1.3
	>=sys-apps/texinfo-4.7-r1
	|| ( sys-apps/procps sys-process/procps )
	>=sys-apps/sed-4"
RDEPEND="${DEPEND} selinux? ( sec-policy/selinux-mysql )"

src_unpack() {

	unpack ${A} || die

	mv "${WORKDIR}/${NEWP}" "${S}"
	cd "${S}"

	epatch "${FILESDIR}/gentoo-nptl-4.0.18.diff"

	# attempt to get libmysqlclient_r linked against ssl if USE="ssl" enabled
	# i would really prefer to fix this at the Makefile.am level, but can't
	# get the software to autoreconf as distributed - too many missing files
	epatch "${FILESDIR}/thrssl-4.1.9.patch"

	if use tcpd; then
		epatch "${FILESDIR}/tcpd-vars-fix-4.0.14-r1.diff"
	fi

	for d in ${S} ; do
		cd ${d}
		# WARNING, plain autoconf breaks it!
		#autoconf
		# must use this instead
		WANT_AUTOCONF=2.59 autoreconf --force
		# Fix the evil "libtool.m4 and ltmain.sh have a version mismatch!"
		libtoolize --copy --force
		# Saving this for a rainy day, in case we need it again
		#WANT_AUTOMAKE=1.7 automake
		gnuconfig_update
	done

}

src_compile() {
	local myconf

	myconf="${myconf} `use_with tcpd libwrap`"

	use ssl \
		&& myconf="${myconf} --with-vio --with-openssl" \
		|| myconf="${myconf} --without-openssl"

	if use debug; then
		myconf="${myconf} --with-debug=full"
	else
		myconf="${myconf} --without-debug"
		version_is_at_least "4.1.3" && use cluster && myconf="${myconf} --without-ndb-debug"
	fi

	myconf="${myconf} --without-bench"

	# these are things we exclude from a minimal build
	# note that the server actually does get built and installed
	# but we then delete it before packaging.
	local minimal_exclude_list="server embedded-server extra-tools innodb raid"

	for i in ${minimal_exclude_list}; do
		myconf="${myconf} --without-${i}"
	done
	myconf="${myconf} --without-berkeley-db"
	myconf="${myconf} --with-extra-charsets=none"

	#glibc-2.3.2_pre fix; bug #16496
	append-flags " -DHAVE_ERRNO_AS_DEFINE=1"

	#the compiler flags are as per their "official" spec ;)
	#CFLAGS="${CFLAGS/-O?/} -O3" \
	export CXXFLAGS="${CXXFLAGS} -felide-constructors -fno-exceptions -fno-rtti"

	append-flags "-D_GNU_SOURCE"

	econf \
		--libexecdir=/usr/sbin \
		--sysconfdir=/etc/mysql \
		--localstatedir=/var/lib/mysql \
		--with-low-memory \
		--enable-assembler \
		--enable-local-infile \
		--with-mysqld-user=mysql \
		--with-client-ldflags=-lstdc++ \
		--enable-thread-safe-client \
		--with-comment="Gentoo Linux ${PF}" \
		--with-unix-socket-path=/var/run/mysqld/mysqld.sock \
		--with-zlib-dir=/usr \
		--with-lib-ccflags="-fPIC" \
		${myconf} || die "bad ./configure"

	emake || die "compile problem"
}

src_install() {
	make install DESTDIR="${D}" benchdir_root="/usr/share/mysql" || die

	diropts "-m0750"

	dodir "${DATADIR}" /var/run/mysqld /var/log/mysql
	keepdir "${DATADIR}" /var/run/mysqld /var/log/mysql
	chown -R mysql:mysql ${D}/var/lib/mysql \
		${D}/var/run/mysqld \
		${D}/var/log/mysql

	diropts "-m0755"

	# move client libs, install a couple of missing headers
	mv ${D}/usr/$(get_libdir)/mysql/libmysqlclient*.so* ${D}/usr/$(get_libdir)
	dosym ../libmysqlclient.so /usr/$(get_libdir)/mysql/libmysqlclient.so
	dosym ../libmysqlclient_r.so /usr/$(get_libdir)/mysql/libmysqlclient_r.so
	insinto /usr/include/mysql ; doins include/{my_config.h,my_dir.h}

	# convenience links
	dosym /usr/bin/mysqlcheck /usr/bin/mysqlanalyze
	dosym /usr/bin/mysqlcheck /usr/bin/mysqlrepair
	dosym /usr/bin/mysqlcheck /usr/bin/mysqloptimize

	# various junk
	rm -f ${D}/usr/bin/make*distribution
	rm -f ${D}/usr/share/mysql/make_*_distribution
	rm -f ${D}/usr/share/mysql/mysql.server
	rm -f ${D}/usr/share/mysql/binary-configure
	rm -f ${D}/usr/share/mysql/mysql-log-rotate
	rm -f ${D}/usr/share/mysql/{post,pre}install
	rm -f ${D}/usr/share/mysql/mi_test*
	rm -f ${D}/usr/share/mysql/*.spec # Redhat gunk
	rm -f ${D}/usr/share/mysql/*.plist # Apple gunk
	rm -f ${D}/usr/share/mysql/my-*.cnf # Put them elsewhere

	# All of these (ab)use Perl.
	if ! use perl; then
		rm -f ${D}/usr/bin/{mysqlhotcopy,mysql_find_rows,mysql_convert_table_format,mysqld_multi,mysqlaccess,mysql_fix_extensions,mysqldumpslow,mysql_zap,mysql_explain_log,mysql_tableinfo,mysql_setpermission}
		rm -f ${D}/usr/bin/mysqlhotcopy
		rm -rf ${D}/usr/share/mysql/sql-bench
	fi

	rm -rf ${D}/usr/share/mysql/{mysql-test,sql-bench}
	rm -f ${D}/usr/bin/{mysql_install_db,mysqlmanager*,mysql_secure_installation,mysql_fix_privilege_tables,mysqlhotcopy,mysql_convert_table_format,mysqld_multi,mysql_fix_extensions,mysql_zap,mysql_explain_log,mysql_tableinfo,mysqld_safe,myisam*,isam*,mysql_install,mysql_waitpid,mysqlbinlog,mysqltest,pack_isam}
	rm -f ${D}/usr/sbin/mysqld
	rm -f ${D}/usr/lib/mysql/lib{heap,merge,nisam,mysys,mystrings,mysqld,myisammrg,vio,dbug,myisam}.a

	# config stuff
	insinto /etc/mysql
	doins scripts/mysqlaccess.conf

	newins "${FILESDIR}/my.cnf-4.1" my.cnf

	# minimal builds don't have the server
	exeinto /etc/init.d
	newexe "${FILESDIR}/rc6-4.1.sh" mysql
	insinto /etc/logrotate.d
	newins "${FILESDIR}/logrotate.mysql" mysql

	# docs
	dodoc README COPYING ChangeLog EXCEPTIONS-CLIENT INSTALL-SOURCE
}

pkg_preinst() {
	enewgroup mysql 60 || die "problem adding group mysql"
	enewuser mysql 60 /bin/false /var/lib/mysql mysql \
	|| die "problem adding user mysql"
}